bump golang.org/x/net eb5bcb51f2a31c7d5141d810b70815c05d9c9146

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2019-04-13 01:22:56 +02:00
parent 34806a8b4c
commit b6cee4567c
No known key found for this signature in database
GPG Key ID: 76698F39D527CE8C
28 changed files with 313 additions and 781 deletions

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@ -79,7 +79,7 @@ github.com/xeipuuv/gojsonpointer 4e3ac2762d5f479393488629ee93
github.com/xeipuuv/gojsonreference bd5ef7bd5415a7ac448318e64f11a24cd21e594b
github.com/xeipuuv/gojsonschema 93e72a773fade158921402d6a24c819b48aba29d
golang.org/x/crypto 38d8ce5564a5b71b2e3a00553993f1b9a7ae852f
golang.org/x/net a680a1efc54dd51c040b3b5ce4939ea3cf2ea0d1
golang.org/x/net eb5bcb51f2a31c7d5141d810b70815c05d9c9146
golang.org/x/oauth2 ef147856a6ddbb60760db74283d2424e98c87bff
golang.org/x/sync 42b317875d0fa942474b76e1b46a6060d720ae6e
golang.org/x/sys d455e41777fca6e8a5a79e34a14b8368bc11d9ba

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@ -2,18 +2,15 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.7
// Package ctxhttp provides helper functions for performing context-aware HTTP requests.
package ctxhttp // import "golang.org/x/net/context/ctxhttp"
import (
"context"
"io"
"net/http"
"net/url"
"strings"
"golang.org/x/net/context"
)
// Do sends an HTTP request with the provided http.Client and returns

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@ -1,147 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.7
package ctxhttp // import "golang.org/x/net/context/ctxhttp"
import (
"io"
"net/http"
"net/url"
"strings"
"golang.org/x/net/context"
)
func nop() {}
var (
testHookContextDoneBeforeHeaders = nop
testHookDoReturned = nop
testHookDidBodyClose = nop
)
// Do sends an HTTP request with the provided http.Client and returns an HTTP response.
// If the client is nil, http.DefaultClient is used.
// If the context is canceled or times out, ctx.Err() will be returned.
func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) {
if client == nil {
client = http.DefaultClient
}
// TODO(djd): Respect any existing value of req.Cancel.
cancel := make(chan struct{})
req.Cancel = cancel
type responseAndError struct {
resp *http.Response
err error
}
result := make(chan responseAndError, 1)
// Make local copies of test hooks closed over by goroutines below.
// Prevents data races in tests.
testHookDoReturned := testHookDoReturned
testHookDidBodyClose := testHookDidBodyClose
go func() {
resp, err := client.Do(req)
testHookDoReturned()
result <- responseAndError{resp, err}
}()
var resp *http.Response
select {
case <-ctx.Done():
testHookContextDoneBeforeHeaders()
close(cancel)
// Clean up after the goroutine calling client.Do:
go func() {
if r := <-result; r.resp != nil {
testHookDidBodyClose()
r.resp.Body.Close()
}
}()
return nil, ctx.Err()
case r := <-result:
var err error
resp, err = r.resp, r.err
if err != nil {
return resp, err
}
}
c := make(chan struct{})
go func() {
select {
case <-ctx.Done():
close(cancel)
case <-c:
// The response's Body is closed.
}
}()
resp.Body = &notifyingReader{resp.Body, c}
return resp, nil
}
// Get issues a GET request via the Do function.
func Get(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
req, err := http.NewRequest("GET", url, nil)
if err != nil {
return nil, err
}
return Do(ctx, client, req)
}
// Head issues a HEAD request via the Do function.
func Head(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
req, err := http.NewRequest("HEAD", url, nil)
if err != nil {
return nil, err
}
return Do(ctx, client, req)
}
// Post issues a POST request via the Do function.
func Post(ctx context.Context, client *http.Client, url string, bodyType string, body io.Reader) (*http.Response, error) {
req, err := http.NewRequest("POST", url, body)
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", bodyType)
return Do(ctx, client, req)
}
// PostForm issues a POST request via the Do function.
func PostForm(ctx context.Context, client *http.Client, url string, data url.Values) (*http.Response, error) {
return Post(ctx, client, url, "application/x-www-form-urlencoded", strings.NewReader(data.Encode()))
}
// notifyingReader is an io.ReadCloser that closes the notify channel after
// Close is called or a Read fails on the underlying ReadCloser.
type notifyingReader struct {
io.ReadCloser
notify chan<- struct{}
}
func (r *notifyingReader) Read(p []byte) (int, error) {
n, err := r.ReadCloser.Read(p)
if err != nil && r.notify != nil {
close(r.notify)
r.notify = nil
}
return n, err
}
func (r *notifyingReader) Close() error {
err := r.ReadCloser.Close()
if r.notify != nil {
close(r.notify)
r.notify = nil
}
return err
}

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@ -1,82 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.6
package http2
import (
"crypto/tls"
"fmt"
"net/http"
)
func configureTransport(t1 *http.Transport) (*Transport, error) {
connPool := new(clientConnPool)
t2 := &Transport{
ConnPool: noDialClientConnPool{connPool},
t1: t1,
}
connPool.t = t2
if err := registerHTTPSProtocol(t1, noDialH2RoundTripper{t2}); err != nil {
return nil, err
}
if t1.TLSClientConfig == nil {
t1.TLSClientConfig = new(tls.Config)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "h2") {
t1.TLSClientConfig.NextProtos = append([]string{"h2"}, t1.TLSClientConfig.NextProtos...)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "http/1.1") {
t1.TLSClientConfig.NextProtos = append(t1.TLSClientConfig.NextProtos, "http/1.1")
}
upgradeFn := func(authority string, c *tls.Conn) http.RoundTripper {
addr := authorityAddr("https", authority)
if used, err := connPool.addConnIfNeeded(addr, t2, c); err != nil {
go c.Close()
return erringRoundTripper{err}
} else if !used {
// Turns out we don't need this c.
// For example, two goroutines made requests to the same host
// at the same time, both kicking off TCP dials. (since protocol
// was unknown)
go c.Close()
}
return t2
}
if m := t1.TLSNextProto; len(m) == 0 {
t1.TLSNextProto = map[string]func(string, *tls.Conn) http.RoundTripper{
"h2": upgradeFn,
}
} else {
m["h2"] = upgradeFn
}
return t2, nil
}
// registerHTTPSProtocol calls Transport.RegisterProtocol but
// converting panics into errors.
func registerHTTPSProtocol(t *http.Transport, rt noDialH2RoundTripper) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
t.RegisterProtocol("https", rt)
return nil
}
// noDialH2RoundTripper is a RoundTripper which only tries to complete the request
// if there's already has a cached connection to the host.
// (The field is exported so it can be accessed via reflect from net/http; tested
// by TestNoDialH2RoundTripperType)
type noDialH2RoundTripper struct{ *Transport }
func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
res, err := rt.Transport.RoundTrip(req)
if isNoCachedConnError(err) {
return nil, http.ErrSkipAltProtocol
}
return res, err
}

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@ -643,7 +643,7 @@ func (f *Framer) WriteData(streamID uint32, endStream bool, data []byte) error {
return f.WriteDataPadded(streamID, endStream, data, nil)
}
// WriteData writes a DATA frame with optional padding.
// WriteDataPadded writes a DATA frame with optional padding.
//
// If pad is nil, the padding bit is not sent.
// The length of pad must not exceed 255 bytes.
@ -1477,7 +1477,7 @@ func (fr *Framer) maxHeaderStringLen() int {
}
// readMetaFrame returns 0 or more CONTINUATION frames from fr and
// merge them into into the provided hf and returns a MetaHeadersFrame
// merge them into the provided hf and returns a MetaHeadersFrame
// with the decoded hpack values.
func (fr *Framer) readMetaFrame(hf *HeadersFrame) (*MetaHeadersFrame, error) {
if fr.AllowIllegalReads {

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@ -6,19 +6,22 @@
package http2
import "net/textproto"
import (
"net/http/httptrace"
"net/textproto"
)
func traceHasWroteHeaderField(trace *clientTrace) bool {
func traceHasWroteHeaderField(trace *httptrace.ClientTrace) bool {
return trace != nil && trace.WroteHeaderField != nil
}
func traceWroteHeaderField(trace *clientTrace, k, v string) {
func traceWroteHeaderField(trace *httptrace.ClientTrace, k, v string) {
if trace != nil && trace.WroteHeaderField != nil {
trace.WroteHeaderField(k, []string{v})
}
}
func traceGot1xxResponseFunc(trace *clientTrace) func(int, textproto.MIMEHeader) error {
func traceGot1xxResponseFunc(trace *httptrace.ClientTrace) func(int, textproto.MIMEHeader) error {
if trace != nil {
return trace.Got1xxResponse
}

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@ -1,16 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.6
package http2
import (
"net/http"
"time"
)
func transportExpectContinueTimeout(t1 *http.Transport) time.Duration {
return t1.ExpectContinueTimeout
}

121
vendor/golang.org/x/net/http2/go17.go generated vendored
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@ -1,121 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.7
package http2
import (
"context"
"net"
"net/http"
"net/http/httptrace"
"time"
)
type contextContext interface {
context.Context
}
var errCanceled = context.Canceled
func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx contextContext, cancel func()) {
ctx, cancel = context.WithCancel(context.Background())
ctx = context.WithValue(ctx, http.LocalAddrContextKey, c.LocalAddr())
if hs := opts.baseConfig(); hs != nil {
ctx = context.WithValue(ctx, http.ServerContextKey, hs)
}
return
}
func contextWithCancel(ctx contextContext) (_ contextContext, cancel func()) {
return context.WithCancel(ctx)
}
func requestWithContext(req *http.Request, ctx contextContext) *http.Request {
return req.WithContext(ctx)
}
type clientTrace httptrace.ClientTrace
func reqContext(r *http.Request) context.Context { return r.Context() }
func (t *Transport) idleConnTimeout() time.Duration {
if t.t1 != nil {
return t.t1.IdleConnTimeout
}
return 0
}
func setResponseUncompressed(res *http.Response) { res.Uncompressed = true }
func traceGetConn(req *http.Request, hostPort string) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GetConn == nil {
return
}
trace.GetConn(hostPort)
}
func traceGotConn(req *http.Request, cc *ClientConn) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GotConn == nil {
return
}
ci := httptrace.GotConnInfo{Conn: cc.tconn}
cc.mu.Lock()
ci.Reused = cc.nextStreamID > 1
ci.WasIdle = len(cc.streams) == 0 && ci.Reused
if ci.WasIdle && !cc.lastActive.IsZero() {
ci.IdleTime = time.Now().Sub(cc.lastActive)
}
cc.mu.Unlock()
trace.GotConn(ci)
}
func traceWroteHeaders(trace *clientTrace) {
if trace != nil && trace.WroteHeaders != nil {
trace.WroteHeaders()
}
}
func traceGot100Continue(trace *clientTrace) {
if trace != nil && trace.Got100Continue != nil {
trace.Got100Continue()
}
}
func traceWait100Continue(trace *clientTrace) {
if trace != nil && trace.Wait100Continue != nil {
trace.Wait100Continue()
}
}
func traceWroteRequest(trace *clientTrace, err error) {
if trace != nil && trace.WroteRequest != nil {
trace.WroteRequest(httptrace.WroteRequestInfo{Err: err})
}
}
func traceFirstResponseByte(trace *clientTrace) {
if trace != nil && trace.GotFirstResponseByte != nil {
trace.GotFirstResponseByte()
}
}
func requestTrace(req *http.Request) *clientTrace {
trace := httptrace.ContextClientTrace(req.Context())
return (*clientTrace)(trace)
}
// Ping sends a PING frame to the server and waits for the ack.
func (cc *ClientConn) Ping(ctx context.Context) error {
return cc.ping(ctx)
}
// Shutdown gracefully closes the client connection, waiting for running streams to complete.
func (cc *ClientConn) Shutdown(ctx context.Context) error {
return cc.shutdown(ctx)
}

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@ -1,36 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.7,!go1.8
package http2
import "crypto/tls"
// temporary copy of Go 1.7's private tls.Config.clone:
func cloneTLSConfig(c *tls.Config) *tls.Config {
return &tls.Config{
Rand: c.Rand,
Time: c.Time,
Certificates: c.Certificates,
NameToCertificate: c.NameToCertificate,
GetCertificate: c.GetCertificate,
RootCAs: c.RootCAs,
NextProtos: c.NextProtos,
ServerName: c.ServerName,
ClientAuth: c.ClientAuth,
ClientCAs: c.ClientCAs,
InsecureSkipVerify: c.InsecureSkipVerify,
CipherSuites: c.CipherSuites,
PreferServerCipherSuites: c.PreferServerCipherSuites,
SessionTicketsDisabled: c.SessionTicketsDisabled,
SessionTicketKey: c.SessionTicketKey,
ClientSessionCache: c.ClientSessionCache,
MinVersion: c.MinVersion,
MaxVersion: c.MaxVersion,
CurvePreferences: c.CurvePreferences,
DynamicRecordSizingDisabled: c.DynamicRecordSizingDisabled,
Renegotiation: c.Renegotiation,
}
}

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@ -1,56 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.8
package http2
import (
"crypto/tls"
"io"
"net/http"
)
func cloneTLSConfig(c *tls.Config) *tls.Config {
c2 := c.Clone()
c2.GetClientCertificate = c.GetClientCertificate // golang.org/issue/19264
return c2
}
var _ http.Pusher = (*responseWriter)(nil)
// Push implements http.Pusher.
func (w *responseWriter) Push(target string, opts *http.PushOptions) error {
internalOpts := pushOptions{}
if opts != nil {
internalOpts.Method = opts.Method
internalOpts.Header = opts.Header
}
return w.push(target, internalOpts)
}
func configureServer18(h1 *http.Server, h2 *Server) error {
if h2.IdleTimeout == 0 {
if h1.IdleTimeout != 0 {
h2.IdleTimeout = h1.IdleTimeout
} else {
h2.IdleTimeout = h1.ReadTimeout
}
}
return nil
}
func shouldLogPanic(panicValue interface{}) bool {
return panicValue != nil && panicValue != http.ErrAbortHandler
}
func reqGetBody(req *http.Request) func() (io.ReadCloser, error) {
return req.GetBody
}
func reqBodyIsNoBody(body io.ReadCloser) bool {
return body == http.NoBody
}
func go18httpNoBody() io.ReadCloser { return http.NoBody } // for tests only

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@ -1,16 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.9
package http2
import (
"net/http"
)
func configureServer19(s *http.Server, conf *Server) error {
s.RegisterOnShutdown(conf.state.startGracefulShutdown)
return nil
}

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@ -7,15 +7,21 @@ package http2
import (
"net/http"
"strings"
"sync"
)
var (
commonLowerHeader = map[string]string{} // Go-Canonical-Case -> lower-case
commonCanonHeader = map[string]string{} // lower-case -> Go-Canonical-Case
commonBuildOnce sync.Once
commonLowerHeader map[string]string // Go-Canonical-Case -> lower-case
commonCanonHeader map[string]string // lower-case -> Go-Canonical-Case
)
func init() {
for _, v := range []string{
func buildCommonHeaderMapsOnce() {
commonBuildOnce.Do(buildCommonHeaderMaps)
}
func buildCommonHeaderMaps() {
common := []string{
"accept",
"accept-charset",
"accept-encoding",
@ -63,7 +69,10 @@ func init() {
"vary",
"via",
"www-authenticate",
} {
}
commonLowerHeader = make(map[string]string, len(common))
commonCanonHeader = make(map[string]string, len(common))
for _, v := range common {
chk := http.CanonicalHeaderKey(v)
commonLowerHeader[chk] = v
commonCanonHeader[v] = chk
@ -71,6 +80,7 @@ func init() {
}
func lowerHeader(v string) string {
buildCommonHeaderMapsOnce()
if s, ok := commonLowerHeader[v]; ok {
return s
}

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@ -92,6 +92,8 @@ type Decoder struct {
// saveBuf is previous data passed to Write which we weren't able
// to fully parse before. Unlike buf, we own this data.
saveBuf bytes.Buffer
firstField bool // processing the first field of the header block
}
// NewDecoder returns a new decoder with the provided maximum dynamic
@ -101,6 +103,7 @@ func NewDecoder(maxDynamicTableSize uint32, emitFunc func(f HeaderField)) *Decod
d := &Decoder{
emit: emitFunc,
emitEnabled: true,
firstField: true,
}
d.dynTab.table.init()
d.dynTab.allowedMaxSize = maxDynamicTableSize
@ -226,11 +229,15 @@ func (d *Decoder) DecodeFull(p []byte) ([]HeaderField, error) {
return hf, nil
}
// Close declares that the decoding is complete and resets the Decoder
// to be reused again for a new header block. If there is any remaining
// data in the decoder's buffer, Close returns an error.
func (d *Decoder) Close() error {
if d.saveBuf.Len() > 0 {
d.saveBuf.Reset()
return DecodingError{errors.New("truncated headers")}
}
d.firstField = true
return nil
}
@ -266,6 +273,7 @@ func (d *Decoder) Write(p []byte) (n int, err error) {
d.saveBuf.Write(d.buf)
return len(p), nil
}
d.firstField = false
if err != nil {
break
}
@ -391,7 +399,7 @@ func (d *Decoder) callEmit(hf HeaderField) error {
func (d *Decoder) parseDynamicTableSizeUpdate() error {
// RFC 7541, sec 4.2: This dynamic table size update MUST occur at the
// beginning of the first header block following the change to the dynamic table size.
if d.dynTab.size > 0 {
if !d.firstField && d.dynTab.size > 0 {
return DecodingError{errors.New("dynamic table size update MUST occur at the beginning of a header block")}
}

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@ -47,6 +47,7 @@ var ErrInvalidHuffman = errors.New("hpack: invalid Huffman-encoded data")
// If maxLen is greater than 0, attempts to write more to buf than
// maxLen bytes will return ErrStringLength.
func huffmanDecode(buf *bytes.Buffer, maxLen int, v []byte) error {
rootHuffmanNode := getRootHuffmanNode()
n := rootHuffmanNode
// cur is the bit buffer that has not been fed into n.
// cbits is the number of low order bits in cur that are valid.
@ -106,7 +107,7 @@ func huffmanDecode(buf *bytes.Buffer, maxLen int, v []byte) error {
type node struct {
// children is non-nil for internal nodes
children []*node
children *[256]*node
// The following are only valid if children is nil:
codeLen uint8 // number of bits that led to the output of sym
@ -114,22 +115,31 @@ type node struct {
}
func newInternalNode() *node {
return &node{children: make([]*node, 256)}
return &node{children: new([256]*node)}
}
var rootHuffmanNode = newInternalNode()
var (
buildRootOnce sync.Once
lazyRootHuffmanNode *node
)
func init() {
func getRootHuffmanNode() *node {
buildRootOnce.Do(buildRootHuffmanNode)
return lazyRootHuffmanNode
}
func buildRootHuffmanNode() {
if len(huffmanCodes) != 256 {
panic("unexpected size")
}
lazyRootHuffmanNode = newInternalNode()
for i, code := range huffmanCodes {
addDecoderNode(byte(i), code, huffmanCodeLen[i])
}
}
func addDecoderNode(sym byte, code uint32, codeLen uint8) {
cur := rootHuffmanNode
cur := lazyRootHuffmanNode
for codeLen > 8 {
codeLen -= 8
i := uint8(code >> codeLen)

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@ -201,19 +201,12 @@ func validWireHeaderFieldName(v string) bool {
return true
}
var httpCodeStringCommon = map[int]string{} // n -> strconv.Itoa(n)
func init() {
for i := 100; i <= 999; i++ {
if v := http.StatusText(i); v != "" {
httpCodeStringCommon[i] = strconv.Itoa(i)
}
}
}
func httpCodeString(code int) string {
if s, ok := httpCodeStringCommon[code]; ok {
return s
switch code {
case 200:
return "200"
case 404:
return "404"
}
return strconv.Itoa(code)
}

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@ -6,12 +6,15 @@
package http2
import "net/textproto"
import (
"net/http/httptrace"
"net/textproto"
)
func traceHasWroteHeaderField(trace *clientTrace) bool { return false }
func traceHasWroteHeaderField(trace *httptrace.ClientTrace) bool { return false }
func traceWroteHeaderField(trace *clientTrace, k, v string) {}
func traceWroteHeaderField(trace *httptrace.ClientTrace, k, v string) {}
func traceGot1xxResponseFunc(trace *clientTrace) func(int, textproto.MIMEHeader) error {
func traceGot1xxResponseFunc(trace *httptrace.ClientTrace) func(int, textproto.MIMEHeader) error {
return nil
}

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@ -1,21 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.6
package http2
import (
"net/http"
"time"
)
func configureTransport(t1 *http.Transport) (*Transport, error) {
return nil, errTransportVersion
}
func transportExpectContinueTimeout(t1 *http.Transport) time.Duration {
return 0
}

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@ -1,95 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.7
package http2
import (
"crypto/tls"
"errors"
"net"
"net/http"
"time"
)
type contextContext interface {
Done() <-chan struct{}
Err() error
}
var errCanceled = errors.New("canceled")
type fakeContext struct{}
func (fakeContext) Done() <-chan struct{} { return nil }
func (fakeContext) Err() error { panic("should not be called") }
func reqContext(r *http.Request) fakeContext {
return fakeContext{}
}
func setResponseUncompressed(res *http.Response) {
// Nothing.
}
type clientTrace struct{}
func requestTrace(*http.Request) *clientTrace { return nil }
func traceGetConn(*http.Request, string) {}
func traceGotConn(*http.Request, *ClientConn) {}
func traceFirstResponseByte(*clientTrace) {}
func traceWroteHeaders(*clientTrace) {}
func traceWroteRequest(*clientTrace, error) {}
func traceGot100Continue(trace *clientTrace) {}
func traceWait100Continue(trace *clientTrace) {}
func nop() {}
func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx contextContext, cancel func()) {
return nil, nop
}
func contextWithCancel(ctx contextContext) (_ contextContext, cancel func()) {
return ctx, nop
}
func requestWithContext(req *http.Request, ctx contextContext) *http.Request {
return req
}
// temporary copy of Go 1.6's private tls.Config.clone:
func cloneTLSConfig(c *tls.Config) *tls.Config {
return &tls.Config{
Rand: c.Rand,
Time: c.Time,
Certificates: c.Certificates,
NameToCertificate: c.NameToCertificate,
GetCertificate: c.GetCertificate,
RootCAs: c.RootCAs,
NextProtos: c.NextProtos,
ServerName: c.ServerName,
ClientAuth: c.ClientAuth,
ClientCAs: c.ClientCAs,
InsecureSkipVerify: c.InsecureSkipVerify,
CipherSuites: c.CipherSuites,
PreferServerCipherSuites: c.PreferServerCipherSuites,
SessionTicketsDisabled: c.SessionTicketsDisabled,
SessionTicketKey: c.SessionTicketKey,
ClientSessionCache: c.ClientSessionCache,
MinVersion: c.MinVersion,
MaxVersion: c.MaxVersion,
CurvePreferences: c.CurvePreferences,
}
}
func (cc *ClientConn) Ping(ctx contextContext) error {
return cc.ping(ctx)
}
func (cc *ClientConn) Shutdown(ctx contextContext) error {
return cc.shutdown(ctx)
}
func (t *Transport) idleConnTimeout() time.Duration { return 0 }

View File

@ -1,29 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.8
package http2
import (
"io"
"net/http"
)
func configureServer18(h1 *http.Server, h2 *Server) error {
// No IdleTimeout to sync prior to Go 1.8.
return nil
}
func shouldLogPanic(panicValue interface{}) bool {
return panicValue != nil
}
func reqGetBody(req *http.Request) func() (io.ReadCloser, error) {
return nil
}
func reqBodyIsNoBody(io.ReadCloser) bool { return false }
func go18httpNoBody() io.ReadCloser { return nil } // for tests only

View File

@ -1,16 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.9
package http2
import (
"net/http"
)
func configureServer19(s *http.Server, conf *Server) error {
// not supported prior to go1.9
return nil
}

View File

@ -28,6 +28,7 @@ package http2
import (
"bufio"
"bytes"
"context"
"crypto/tls"
"errors"
"fmt"
@ -209,12 +210,14 @@ func ConfigureServer(s *http.Server, conf *Server) error {
conf = new(Server)
}
conf.state = &serverInternalState{activeConns: make(map[*serverConn]struct{})}
if err := configureServer18(s, conf); err != nil {
return err
}
if err := configureServer19(s, conf); err != nil {
return err
if h1, h2 := s, conf; h2.IdleTimeout == 0 {
if h1.IdleTimeout != 0 {
h2.IdleTimeout = h1.IdleTimeout
} else {
h2.IdleTimeout = h1.ReadTimeout
}
}
s.RegisterOnShutdown(conf.state.startGracefulShutdown)
if s.TLSConfig == nil {
s.TLSConfig = new(tls.Config)
@ -435,6 +438,15 @@ func (s *Server) ServeConn(c net.Conn, opts *ServeConnOpts) {
sc.serve()
}
func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx context.Context, cancel func()) {
ctx, cancel = context.WithCancel(context.Background())
ctx = context.WithValue(ctx, http.LocalAddrContextKey, c.LocalAddr())
if hs := opts.baseConfig(); hs != nil {
ctx = context.WithValue(ctx, http.ServerContextKey, hs)
}
return
}
func (sc *serverConn) rejectConn(err ErrCode, debug string) {
sc.vlogf("http2: server rejecting conn: %v, %s", err, debug)
// ignoring errors. hanging up anyway.
@ -450,7 +462,7 @@ type serverConn struct {
conn net.Conn
bw *bufferedWriter // writing to conn
handler http.Handler
baseCtx contextContext
baseCtx context.Context
framer *Framer
doneServing chan struct{} // closed when serverConn.serve ends
readFrameCh chan readFrameResult // written by serverConn.readFrames
@ -530,7 +542,7 @@ type stream struct {
id uint32
body *pipe // non-nil if expecting DATA frames
cw closeWaiter // closed wait stream transitions to closed state
ctx contextContext
ctx context.Context
cancelCtx func()
// owned by serverConn's serve loop:
@ -663,6 +675,7 @@ func (sc *serverConn) condlogf(err error, format string, args ...interface{}) {
func (sc *serverConn) canonicalHeader(v string) string {
sc.serveG.check()
buildCommonHeaderMapsOnce()
cv, ok := commonCanonHeader[v]
if ok {
return cv
@ -1109,7 +1122,7 @@ func (sc *serverConn) startFrameWrite(wr FrameWriteRequest) {
// errHandlerPanicked is the error given to any callers blocked in a read from
// Request.Body when the main goroutine panics. Since most handlers read in the
// the main ServeHTTP goroutine, this will show up rarely.
// main ServeHTTP goroutine, this will show up rarely.
var errHandlerPanicked = errors.New("http2: handler panicked")
// wroteFrame is called on the serve goroutine with the result of
@ -1581,12 +1594,6 @@ func (sc *serverConn) processData(f *DataFrame) error {
// type PROTOCOL_ERROR."
return ConnectionError(ErrCodeProtocol)
}
// RFC 7540, sec 6.1: If a DATA frame is received whose stream is not in
// "open" or "half-closed (local)" state, the recipient MUST respond with a
// stream error (Section 5.4.2) of type STREAM_CLOSED.
if state == stateClosed {
return streamError(id, ErrCodeStreamClosed)
}
if st == nil || state != stateOpen || st.gotTrailerHeader || st.resetQueued {
// This includes sending a RST_STREAM if the stream is
// in stateHalfClosedLocal (which currently means that
@ -1881,7 +1888,7 @@ func (sc *serverConn) newStream(id, pusherID uint32, state streamState) *stream
panic("internal error: cannot create stream with id 0")
}
ctx, cancelCtx := contextWithCancel(sc.baseCtx)
ctx, cancelCtx := context.WithCancel(sc.baseCtx)
st := &stream{
sc: sc,
id: id,
@ -2047,7 +2054,7 @@ func (sc *serverConn) newWriterAndRequestNoBody(st *stream, rp requestParam) (*r
Body: body,
Trailer: trailer,
}
req = requestWithContext(req, st.ctx)
req = req.WithContext(st.ctx)
rws := responseWriterStatePool.Get().(*responseWriterState)
bwSave := rws.bw
@ -2075,7 +2082,7 @@ func (sc *serverConn) runHandler(rw *responseWriter, req *http.Request, handler
stream: rw.rws.stream,
})
// Same as net/http:
if shouldLogPanic(e) {
if e != nil && e != http.ErrAbortHandler {
const size = 64 << 10
buf := make([]byte, size)
buf = buf[:runtime.Stack(buf, false)]
@ -2346,15 +2353,7 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
}
_, hasContentType := rws.snapHeader["Content-Type"]
if !hasContentType && bodyAllowedForStatus(rws.status) && len(p) > 0 {
if cto := rws.snapHeader.Get("X-Content-Type-Options"); strings.EqualFold("nosniff", cto) {
// nosniff is an explicit directive not to guess a content-type.
// Content-sniffing is no less susceptible to polyglot attacks via
// hosted content when done on the server.
ctype = "application/octet-stream"
rws.conn.logf("http2: WriteHeader called with X-Content-Type-Options:nosniff but no Content-Type")
} else {
ctype = http.DetectContentType(p)
}
ctype = http.DetectContentType(p)
}
var date string
if _, ok := rws.snapHeader["Date"]; !ok {
@ -2645,14 +2644,9 @@ var (
ErrPushLimitReached = errors.New("http2: push would exceed peer's SETTINGS_MAX_CONCURRENT_STREAMS")
)
// pushOptions is the internal version of http.PushOptions, which we
// cannot include here because it's only defined in Go 1.8 and later.
type pushOptions struct {
Method string
Header http.Header
}
var _ http.Pusher = (*responseWriter)(nil)
func (w *responseWriter) push(target string, opts pushOptions) error {
func (w *responseWriter) Push(target string, opts *http.PushOptions) error {
st := w.rws.stream
sc := st.sc
sc.serveG.checkNotOn()
@ -2663,6 +2657,10 @@ func (w *responseWriter) push(target string, opts pushOptions) error {
return ErrRecursivePush
}
if opts == nil {
opts = new(http.PushOptions)
}
// Default options.
if opts.Method == "" {
opts.Method = "GET"

View File

@ -10,6 +10,7 @@ import (
"bufio"
"bytes"
"compress/gzip"
"context"
"crypto/rand"
"crypto/tls"
"errors"
@ -21,6 +22,7 @@ import (
mathrand "math/rand"
"net"
"net/http"
"net/http/httptrace"
"net/textproto"
"sort"
"strconv"
@ -95,6 +97,16 @@ type Transport struct {
// to mean no limit.
MaxHeaderListSize uint32
// StrictMaxConcurrentStreams controls whether the server's
// SETTINGS_MAX_CONCURRENT_STREAMS should be respected
// globally. If false, new TCP connections are created to the
// server as needed to keep each under the per-connection
// SETTINGS_MAX_CONCURRENT_STREAMS limit. If true, the
// server's SETTINGS_MAX_CONCURRENT_STREAMS is interpreted as
// a global limit and callers of RoundTrip block when needed,
// waiting for their turn.
StrictMaxConcurrentStreams bool
// t1, if non-nil, is the standard library Transport using
// this transport. Its settings are used (but not its
// RoundTrip method, etc).
@ -118,16 +130,56 @@ func (t *Transport) disableCompression() bool {
return t.DisableCompression || (t.t1 != nil && t.t1.DisableCompression)
}
var errTransportVersion = errors.New("http2: ConfigureTransport is only supported starting at Go 1.6")
// ConfigureTransport configures a net/http HTTP/1 Transport to use HTTP/2.
// It requires Go 1.6 or later and returns an error if the net/http package is too old
// or if t1 has already been HTTP/2-enabled.
// It returns an error if t1 has already been HTTP/2-enabled.
func ConfigureTransport(t1 *http.Transport) error {
_, err := configureTransport(t1) // in configure_transport.go (go1.6) or not_go16.go
_, err := configureTransport(t1)
return err
}
func configureTransport(t1 *http.Transport) (*Transport, error) {
connPool := new(clientConnPool)
t2 := &Transport{
ConnPool: noDialClientConnPool{connPool},
t1: t1,
}
connPool.t = t2
if err := registerHTTPSProtocol(t1, noDialH2RoundTripper{t2}); err != nil {
return nil, err
}
if t1.TLSClientConfig == nil {
t1.TLSClientConfig = new(tls.Config)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "h2") {
t1.TLSClientConfig.NextProtos = append([]string{"h2"}, t1.TLSClientConfig.NextProtos...)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "http/1.1") {
t1.TLSClientConfig.NextProtos = append(t1.TLSClientConfig.NextProtos, "http/1.1")
}
upgradeFn := func(authority string, c *tls.Conn) http.RoundTripper {
addr := authorityAddr("https", authority)
if used, err := connPool.addConnIfNeeded(addr, t2, c); err != nil {
go c.Close()
return erringRoundTripper{err}
} else if !used {
// Turns out we don't need this c.
// For example, two goroutines made requests to the same host
// at the same time, both kicking off TCP dials. (since protocol
// was unknown)
go c.Close()
}
return t2
}
if m := t1.TLSNextProto; len(m) == 0 {
t1.TLSNextProto = map[string]func(string, *tls.Conn) http.RoundTripper{
"h2": upgradeFn,
}
} else {
m["h2"] = upgradeFn
}
return t2, nil
}
func (t *Transport) connPool() ClientConnPool {
t.connPoolOnce.Do(t.initConnPool)
return t.connPoolOrDef
@ -192,7 +244,7 @@ type ClientConn struct {
type clientStream struct {
cc *ClientConn
req *http.Request
trace *clientTrace // or nil
trace *httptrace.ClientTrace // or nil
ID uint32
resc chan resAndError
bufPipe pipe // buffered pipe with the flow-controlled response payload
@ -226,7 +278,7 @@ type clientStream struct {
// channel to be signaled. A non-nil error is returned only if the request was
// canceled.
func awaitRequestCancel(req *http.Request, done <-chan struct{}) error {
ctx := reqContext(req)
ctx := req.Context()
if req.Cancel == nil && ctx.Done() == nil {
return nil
}
@ -401,8 +453,8 @@ func (t *Transport) RoundTripOpt(req *http.Request, opt RoundTripOpt) (*http.Res
select {
case <-time.After(time.Second * time.Duration(backoff)):
continue
case <-reqContext(req).Done():
return nil, reqContext(req).Err()
case <-req.Context().Done():
return nil, req.Context().Err()
}
}
}
@ -439,16 +491,15 @@ func shouldRetryRequest(req *http.Request, err error, afterBodyWrite bool) (*htt
}
// If the Body is nil (or http.NoBody), it's safe to reuse
// this request and its Body.
if req.Body == nil || reqBodyIsNoBody(req.Body) {
if req.Body == nil || req.Body == http.NoBody {
return req, nil
}
// If the request body can be reset back to its original
// state via the optional req.GetBody, do that.
getBody := reqGetBody(req) // Go 1.8: getBody = req.GetBody
if getBody != nil {
if req.GetBody != nil {
// TODO: consider a req.Body.Close here? or audit that all caller paths do?
body, err := getBody()
body, err := req.GetBody()
if err != nil {
return nil, err
}
@ -494,7 +545,7 @@ func (t *Transport) dialClientConn(addr string, singleUse bool) (*ClientConn, er
func (t *Transport) newTLSConfig(host string) *tls.Config {
cfg := new(tls.Config)
if t.TLSClientConfig != nil {
*cfg = *cloneTLSConfig(t.TLSClientConfig)
*cfg = *t.TLSClientConfig.Clone()
}
if !strSliceContains(cfg.NextProtos, NextProtoTLS) {
cfg.NextProtos = append([]string{NextProtoTLS}, cfg.NextProtos...)
@ -545,7 +596,7 @@ func (t *Transport) expectContinueTimeout() time.Duration {
if t.t1 == nil {
return 0
}
return transportExpectContinueTimeout(t.t1)
return t.t1.ExpectContinueTimeout
}
func (t *Transport) NewClientConn(c net.Conn) (*ClientConn, error) {
@ -670,8 +721,19 @@ func (cc *ClientConn) idleStateLocked() (st clientConnIdleState) {
if cc.singleUse && cc.nextStreamID > 1 {
return
}
st.canTakeNewRequest = cc.goAway == nil && !cc.closed && !cc.closing &&
int64(cc.nextStreamID)+int64(cc.pendingRequests) < math.MaxInt32
var maxConcurrentOkay bool
if cc.t.StrictMaxConcurrentStreams {
// We'll tell the caller we can take a new request to
// prevent the caller from dialing a new TCP
// connection, but then we'll block later before
// writing it.
maxConcurrentOkay = true
} else {
maxConcurrentOkay = int64(len(cc.streams)+1) < int64(cc.maxConcurrentStreams)
}
st.canTakeNewRequest = cc.goAway == nil && !cc.closed && !cc.closing && maxConcurrentOkay &&
int64(cc.nextStreamID)+2*int64(cc.pendingRequests) < math.MaxInt32
st.freshConn = cc.nextStreamID == 1 && st.canTakeNewRequest
return
}
@ -711,8 +773,7 @@ func (cc *ClientConn) closeIfIdle() {
var shutdownEnterWaitStateHook = func() {}
// Shutdown gracefully close the client connection, waiting for running streams to complete.
// Public implementation is in go17.go and not_go17.go
func (cc *ClientConn) shutdown(ctx contextContext) error {
func (cc *ClientConn) Shutdown(ctx context.Context) error {
if err := cc.sendGoAway(); err != nil {
return err
}
@ -882,7 +943,7 @@ func checkConnHeaders(req *http.Request) error {
// req.ContentLength, where 0 actually means zero (not unknown) and -1
// means unknown.
func actualContentLength(req *http.Request) int64 {
if req.Body == nil || reqBodyIsNoBody(req.Body) {
if req.Body == nil || req.Body == http.NoBody {
return 0
}
if req.ContentLength != 0 {
@ -952,7 +1013,7 @@ func (cc *ClientConn) roundTrip(req *http.Request) (res *http.Response, gotErrAf
cs := cc.newStream()
cs.req = req
cs.trace = requestTrace(req)
cs.trace = httptrace.ContextClientTrace(req.Context())
cs.requestedGzip = requestedGzip
bodyWriter := cc.t.getBodyWriterState(cs, body)
cs.on100 = bodyWriter.on100
@ -990,7 +1051,7 @@ func (cc *ClientConn) roundTrip(req *http.Request) (res *http.Response, gotErrAf
readLoopResCh := cs.resc
bodyWritten := false
ctx := reqContext(req)
ctx := req.Context()
handleReadLoopResponse := func(re resAndError) (*http.Response, bool, error) {
res := re.res
@ -1060,6 +1121,7 @@ func (cc *ClientConn) roundTrip(req *http.Request) (res *http.Response, gotErrAf
default:
}
if err != nil {
cc.forgetStreamID(cs.ID)
return nil, cs.getStartedWrite(), err
}
bodyWritten = true
@ -1181,6 +1243,7 @@ func (cs *clientStream) writeRequestBody(body io.Reader, bodyCloser io.Closer) (
sawEOF = true
err = nil
} else if err != nil {
cc.writeStreamReset(cs.ID, ErrCodeCancel, err)
return err
}
@ -1348,7 +1411,11 @@ func (cc *ClientConn) encodeHeaders(req *http.Request, addGzipHeader bool, trail
// followed by the query production (see Sections 3.3 and 3.4 of
// [RFC3986]).
f(":authority", host)
f(":method", req.Method)
m := req.Method
if m == "" {
m = http.MethodGet
}
f(":method", m)
if req.Method != "CONNECT" {
f(":path", path)
f(":scheme", req.URL.Scheme)
@ -1416,7 +1483,7 @@ func (cc *ClientConn) encodeHeaders(req *http.Request, addGzipHeader bool, trail
return nil, errRequestHeaderListSize
}
trace := requestTrace(req)
trace := httptrace.ContextClientTrace(req.Context())
traceHeaders := traceHasWroteHeaderField(trace)
// Header list size is ok. Write the headers.
@ -1839,7 +1906,7 @@ func (rl *clientConnReadLoop) handleResponse(cs *clientStream, f *MetaHeadersFra
res.Header.Del("Content-Length")
res.ContentLength = -1
res.Body = &gzipReader{body: res.Body}
setResponseUncompressed(res)
res.Uncompressed = true
}
return res, nil
}
@ -2216,8 +2283,7 @@ func (rl *clientConnReadLoop) processResetStream(f *RSTStreamFrame) error {
}
// Ping sends a PING frame to the server and waits for the ack.
// Public implementation is in go17.go and not_go17.go
func (cc *ClientConn) ping(ctx contextContext) error {
func (cc *ClientConn) Ping(ctx context.Context) error {
c := make(chan struct{})
// Generate a random payload
var p [8]byte
@ -2451,3 +2517,91 @@ func (s bodyWriterState) scheduleBodyWrite() {
func isConnectionCloseRequest(req *http.Request) bool {
return req.Close || httpguts.HeaderValuesContainsToken(req.Header["Connection"], "close")
}
// registerHTTPSProtocol calls Transport.RegisterProtocol but
// converting panics into errors.
func registerHTTPSProtocol(t *http.Transport, rt noDialH2RoundTripper) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
t.RegisterProtocol("https", rt)
return nil
}
// noDialH2RoundTripper is a RoundTripper which only tries to complete the request
// if there's already has a cached connection to the host.
// (The field is exported so it can be accessed via reflect from net/http; tested
// by TestNoDialH2RoundTripperType)
type noDialH2RoundTripper struct{ *Transport }
func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
res, err := rt.Transport.RoundTrip(req)
if isNoCachedConnError(err) {
return nil, http.ErrSkipAltProtocol
}
return res, err
}
func (t *Transport) idleConnTimeout() time.Duration {
if t.t1 != nil {
return t.t1.IdleConnTimeout
}
return 0
}
func traceGetConn(req *http.Request, hostPort string) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GetConn == nil {
return
}
trace.GetConn(hostPort)
}
func traceGotConn(req *http.Request, cc *ClientConn) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GotConn == nil {
return
}
ci := httptrace.GotConnInfo{Conn: cc.tconn}
cc.mu.Lock()
ci.Reused = cc.nextStreamID > 1
ci.WasIdle = len(cc.streams) == 0 && ci.Reused
if ci.WasIdle && !cc.lastActive.IsZero() {
ci.IdleTime = time.Now().Sub(cc.lastActive)
}
cc.mu.Unlock()
trace.GotConn(ci)
}
func traceWroteHeaders(trace *httptrace.ClientTrace) {
if trace != nil && trace.WroteHeaders != nil {
trace.WroteHeaders()
}
}
func traceGot100Continue(trace *httptrace.ClientTrace) {
if trace != nil && trace.Got100Continue != nil {
trace.Got100Continue()
}
}
func traceWait100Continue(trace *httptrace.ClientTrace) {
if trace != nil && trace.Wait100Continue != nil {
trace.Wait100Continue()
}
}
func traceWroteRequest(trace *httptrace.ClientTrace, err error) {
if trace != nil && trace.WroteRequest != nil {
trace.WroteRequest(httptrace.WroteRequestInfo{Err: err})
}
}
func traceFirstResponseByte(trace *httptrace.ClientTrace) {
if trace != nil && trace.GotFirstResponseByte != nil {
trace.GotFirstResponseByte()
}
}

View File

@ -199,7 +199,7 @@ func (w *writeResHeaders) staysWithinBuffer(max int) bool {
// TODO: this is a common one. It'd be nice to return true
// here and get into the fast path if we could be clever and
// calculate the size fast enough, or at least a conservative
// uppper bound that usually fires. (Maybe if w.h and
// upper bound that usually fires. (Maybe if w.h and
// w.trailers are nil, so we don't need to enumerate it.)
// Otherwise I'm afraid that just calculating the length to
// answer this question would be slower than the ~2µs benefit.
@ -329,7 +329,7 @@ func (wu writeWindowUpdate) writeFrame(ctx writeContext) error {
}
// encodeHeaders encodes an http.Header. If keys is not nil, then (k, h[k])
// is encoded only only if k is in keys.
// is encoded only if k is in keys.
func encodeHeaders(enc *hpack.Encoder, h http.Header, keys []string) {
if keys == nil {
sorter := sorterPool.Get().(*sorter)

View File

@ -224,6 +224,7 @@ func (d *Dialer) Dial(network, address string) (net.Conn, error) {
return nil, &net.OpError{Op: d.cmd.String(), Net: network, Source: proxy, Addr: dst, Err: err}
}
if _, err := d.DialWithConn(context.Background(), c, network, address); err != nil {
c.Close()
return nil, err
}
return c, nil

View File

@ -79,8 +79,13 @@ func FromURL(u *url.URL, forward Dialer) (Dialer, error) {
}
switch u.Scheme {
case "socks5":
return SOCKS5("tcp", u.Host, auth, forward)
case "socks5", "socks5h":
addr := u.Hostname()
port := u.Port()
if port == "" {
port = "1080"
}
return SOCKS5("tcp", net.JoinHostPort(addr, port), auth, forward)
}
// If the scheme doesn't match any of the built-in schemes, see if it

View File

@ -64,12 +64,14 @@ package trace // import "golang.org/x/net/trace"
import (
"bytes"
"context"
"fmt"
"html/template"
"io"
"log"
"net"
"net/http"
"net/url"
"runtime"
"sort"
"strconv"
@ -84,6 +86,12 @@ import (
// FOR DEBUGGING ONLY. This will slow down the program.
var DebugUseAfterFinish = false
// HTTP ServeMux paths.
const (
debugRequestsPath = "/debug/requests"
debugEventsPath = "/debug/events"
)
// AuthRequest determines whether a specific request is permitted to load the
// /debug/requests or /debug/events pages.
//
@ -110,10 +118,29 @@ var AuthRequest = func(req *http.Request) (any, sensitive bool) {
}
func init() {
_, pat := http.DefaultServeMux.Handler(&http.Request{URL: &url.URL{Path: debugRequestsPath}})
if pat == debugRequestsPath {
panic("/debug/requests is already registered. You may have two independent copies of " +
"golang.org/x/net/trace in your binary, trying to maintain separate state. This may " +
"involve a vendored copy of golang.org/x/net/trace.")
}
// TODO(jbd): Serve Traces from /debug/traces in the future?
// There is no requirement for a request to be present to have traces.
http.HandleFunc("/debug/requests", Traces)
http.HandleFunc("/debug/events", Events)
http.HandleFunc(debugRequestsPath, Traces)
http.HandleFunc(debugEventsPath, Events)
}
// NewContext returns a copy of the parent context
// and associates it with a Trace.
func NewContext(ctx context.Context, tr Trace) context.Context {
return context.WithValue(ctx, contextKey, tr)
}
// FromContext returns the Trace bound to the context, if any.
func FromContext(ctx context.Context) (tr Trace, ok bool) {
tr, ok = ctx.Value(contextKey).(Trace)
return
}
// Traces responds with traces from the program.

View File

@ -1,21 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.7
package trace
import "golang.org/x/net/context"
// NewContext returns a copy of the parent context
// and associates it with a Trace.
func NewContext(ctx context.Context, tr Trace) context.Context {
return context.WithValue(ctx, contextKey, tr)
}
// FromContext returns the Trace bound to the context, if any.
func FromContext(ctx context.Context) (tr Trace, ok bool) {
tr, ok = ctx.Value(contextKey).(Trace)
return
}

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@ -1,21 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.7
package trace
import "context"
// NewContext returns a copy of the parent context
// and associates it with a Trace.
func NewContext(ctx context.Context, tr Trace) context.Context {
return context.WithValue(ctx, contextKey, tr)
}
// FromContext returns the Trace bound to the context, if any.
func FromContext(ctx context.Context) (tr Trace, ok bool) {
tr, ok = ctx.Value(contextKey).(Trace)
return
}